\begin{table}[htp]
	\begin{center}
	\caption{Comparing execution time for
the different factorial implementations}
	\label{tab:facT}
		\begin{tabular}{rccc}
		\toprule
			{$n$} & {Built-in [$s$]} & {Recursive [$s$]} & {Sequential [$s$]}\\
			\midrule
			{0} & $0.154$ & $0.212$ & $0.216$\\
			{1} & $0.217$ & $0.235$ & $0.639$\\
			{2} & $0.213$ & $0.471$ & $0.741$\\
			{3} & $0.252$ & $0.685$ & $0.800$\\
			{4} & $0.454$ & $0.891$ & $0.873$\\
			{5} & $0.486$ & $1.111$ & $0.933$\\
			{6} & $0.266$ & $1.319$ & $1.000$\\
			{7} & $0.272$ & $1.532$ & $1.063$\\
			{8} & $0.283$ & $1.750$ & $1.123$\\
			{9} & $0.287$ & $1.977$ & $1.190$\\
		\bottomrule
		\end{tabular}
	\end{center}
\end{table}